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Serial Communication Status Check

  1. Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
  2. Select the "Serial Communication Line Check".
    Fig 1: Scantool Display - ID Register
    G12091730Courtesy of HYUNDAI MOTOR AMERICA
  3. After IGN ON, select the "Receiver Communication Line Check".
    Fig 2: Scantool Display - Receiver Communication Line Check
    G12091731Courtesy of HYUNDAI MOTOR AMERICA
  4. Check the serial communication line with a GDS.
  5. If the receiver communication line runs normal, check the "ESCL Communication Line Check".
    Fig 3: Scantool Display - ESCL Communication Line Check
    G12091732Courtesy of HYUNDAI MOTOR AMERICA
  6. If the smart key runs normal, the communication of smart key unit, exterior receiver and ESCL are normal.
  7. If the smart key runs abnormal, check the following items.
    • Disconnection or no response of the exterior receiver communication line.
    • The exterior receiver communication line disconnection and ground connection.
    • The ESCL disconnection or no response
    • The ESCL disconnection and ground connection